Base | Representation |
---|---|
bin | 10001100100000000111… |
… | …110010111111100111101 |
3 | 11021101020002100020011221 |
4 | 101210000332113330331 |
5 | 124233213423124323 |
6 | 2322235421513341 |
7 | 153124106051020 |
oct | 21440076277475 |
9 | 4241202306157 |
10 | 1206902161213 |
11 | 425931895a61 |
12 | 175aa5112851 |
13 | 89a6c555a78 |
14 | 425b30971b7 |
15 | 215dab2a55d |
hex | 11900f97f3d |
1206902161213 has 16 divisors (see below), whose sum is σ = 1396871004160. Its totient is φ = 1021323654000.
The previous prime is 1206902161193. The next prime is 1206902161259. The reversal of 1206902161213 is 3121612096021.
It is a cyclic number.
It is not a de Polignac number, because 1206902161213 - 25 = 1206902161181 is a prime.
It is a super-2 number, since 2×12069021612132 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1206902161613) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9142468 + ... + 9273538.
It is an arithmetic number, because the mean of its divisors is an integer number (87304437760).
Almost surely, 21206902161213 is an apocalyptic number.
It is an amenable number.
1206902161213 is a deficient number, since it is larger than the sum of its proper divisors (189968842947).
1206902161213 is a wasteful number, since it uses less digits than its factorization.
1206902161213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147808.
The product of its (nonzero) digits is 7776, while the sum is 34.
The spelling of 1206902161213 in words is "one trillion, two hundred six billion, nine hundred two million, one hundred sixty-one thousand, two hundred thirteen".
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